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RC Equipments => Radios and Receivers => Topic started by: rcforall on November 03, 2009, 09:57:32 AM



Title: Changing Modes on a tx
Post by: rcforall on November 03, 2009, 09:57:32 AM
I have been trying to locate a video  which shows the actual physical MODE changing process in a radio :

Eg on most computer radio's mode selection is  a simple click of a button so not  a major issue now a days , but physically changing the spring and the ratchet is also required to actually complete the process of mode change.

Any one got  any Video showing that or can you find it on the net.

Sai


Title: Re: Changing Modes on a tx
Post by: sandeepm on November 03, 2009, 10:10:12 AM
Thanks for the nice suggestion Mr. Sai,
i have an old not working radio with me. will try to shoot the video of mode changing...but little practice is need to record it perfectly before finalizing the video for upload. give me some time... will shoot the video this Saturday....

Sandeep


Title: Re: Changing Modes on a tx
Post by: anwar on November 03, 2009, 10:13:48 AM
Video...  not easy to find...  seems to have got one.

http://www.youtube.com/watch?v=CEPx-U2GDmU

http://www.youtube.com/watch?v=ZhWi3IOWF3U

Step by step illustrated instructions... 

http://www.max3design.com/soporte/RC/DX6i/DX6i_mode_change.htm

http://storage.vuzit.com/public/5qp/DX6i_mode_change.pdf

BTW, done this couple of times (once on sim, once on 6EX), it is straight forward. I have a feeling you have done this already ;)





Title: Re: Changing Modes on a tx
Post by: avijit17basu on November 03, 2009, 11:33:00 AM
Dear Sai,
Capt. Manish changed the rachet and spring of my futaba 6 exa 2 years ago from mode 1 to 2.
The electronic part is easy to do and the physical part took about 30 min witha couple of screwdrivers and a piece of string. he calls himself the FLYING BOX CAR (why a box car should fly is another question) in this forum and hopefully he can guide you. Maybe even shoot a video while he is doing the change.
Avijit


Title: Re: Changing Modes on a tx
Post by: sushil_anand on November 03, 2009, 01:03:34 PM
The Flying Box Car was the name given to a transport aircraft of WW II vintage. I think it was a C -119.


Title: Re: Changing Modes on a tx
Post by: rcforall on November 03, 2009, 06:14:54 PM
Anwar ,
I  remember I thought I had made a blunder by not specifying the mode when I bought my 6 ExA  and felt like  :banghead:

I got the change done that time by Mr Meenakshi Sundaram , I guess might be able to do it if required now .

But the reason I started this thread is because many new comers fail to specify and look at this point when they buy their first big radio .
They are normally so exited that they forget this small issue , hence thought  if we could dig up a video  for a popular radio like a 6 exa or Dx 6 i and post it here as a resource they will realize that it can be done and they really need not feel like :banghead: :banghead: I did when I made this mistake myself  a few years back.

The step by step instruction guide for Dx 6 i is great Anwar  {:)} {:)} is there something like that that can be got for the Futaba 6 EX  :headscratch: :headscratch:

Sai


Title: Re: Changing Modes on a tx
Post by: anwar on November 03, 2009, 07:56:31 PM
Can't find any for 6EX.  Should be easy after going through the above information.

Whoever does a 6EX next, please take lots of pictures and document the heck out of it !   :P


Title: Re: Changing Modes on a tx
Post by: RotorZone on November 03, 2009, 08:20:49 PM
The esky one in the video has gimbals very similar to Futaba. You don't need to switch the pots as in the video for Futaba, just the springs and ratchet is enough. The pot assignment can be changed from the menu. I had done this for my esky controller and the procedure was exactly the same as for Futaba.


Title: Re: Changing Modes on a tx
Post by: flyingboxcar on November 04, 2009, 08:21:01 AM
Well actually it is not very dififcult to do. However one problem which I faced long back with the then newly launched 6XA (not XAS which came later) was that when the mode was changed both mechanically and electronically, for some reason the trainer jack still remained as original mode. Wrote to Futaba, Tower et all but tere was not satisfactory reply, The only probability left was that the soldering on the jack was hard wired which did not accomodate the physcial and electronic changes on the mode.

Susheel sir,
Flying boxcar was C119 right but the vintage was 60's - 70's not WWII. This was also known as Fairchild Packet and our very own IAF operated them too.    


Title: Re: Changing Modes on a tx
Post by: avijit17basu on November 04, 2009, 11:11:49 AM
Now I know why a BOX CAR should fly. Thanks.
With the new radios there is no need to change the potentiometers. That is changed electronically.
Mode 1 or mode 2
on the reciever
Channel 1 is Ailerons
Channel 2 is Elevator
Channel 3 is Throttle
And Channel 4 is rudder
That does not change.
Avijit


Title: Re: Changing Modes on a tx
Post by: anwar on November 04, 2009, 11:35:41 AM
Mode 1 or mode 2
on the reciever
Channel 1 is Ailerons
Channel 2 is Elevator
Channel 3 is Throttle
And Channel 4 is rudder
That does not change.
Avijit

That is the Futaba standard.  JR follows a different ordering of channels. 

Even the latest Futaba sets (like 12FG) have different "default" ordering of channels, which was a big surprise for me initially.  One reason they seem to have done this is for servo grouping (of more than 2 servos), which is important for CCPM helis (among other uses).


Title: Re: Changing Modes on a tx
Post by: avijit17basu on November 04, 2009, 12:01:59 PM
Thanks for the correction. I should have specified that it is the futba default
Avijit


Title: Re: Changing Modes on a tx
Post by: sushil_anand on November 05, 2009, 12:41:50 PM
Quote
Flying boxcar was C119 right but the vintage was 60's - 70's not WWII.

Manish

Check out this link:
http://en.wikipedia.org/wiki/C-119_Flying_Boxcar

First flight: 1947 - Not quite WWII though!

I know we had a lot of them. We had AT 6 TEXANS too known as HARVARDS because of the British connection. These too were of WW II vintage but gave us dutiful service well into the 60s. My brother trained in one of these in Bidar (Hyderabad) in 1960/61.


Title: Re: Changing Modes on a tx
Post by: Ashta on November 05, 2009, 04:01:24 PM
Mode 1 or mode 2
on the reciever
Channel 1 is Ailerons
Channel 2 is Elevator
Channel 3 is Throttle
And Channel 4 is rudder
That does not change.
Avijit

That is the Futaba standard.  JR follows a different ordering of channels. 

Even the latest Futaba sets (like 12FG) have different "default" ordering of channels, which was a big surprise for me initially.  One reason they seem to have done this is for servo grouping (of more than 2 servos), which is important for CCPM helis (among other uses).


AETR: All Easy To Remember ( Source RCGROUPS)